LODI - Authorities say at least four people were hurt when a semi crashed into a school bus in south central Wisconsin.

The Wisconsin State Patrol says the crash happened Wednesday morning along northbound Interstate 39 near Lodi, about 95 miles (150 kilometers) northwest of Milwaukee. The patrol says the bus was parked on the shoulder of the interstate when it was struck.

A medical helicopter flew the injured to hospitals. Authorities have not said if students are among those injured. No details have been released on the extent of their injuries.

Several reports say the bus was carrying students from a school in the Milwaukee area.

MADISON - Gov. Scott Walker is sidestepping questions about whether more needs to be done to bolster student safety in the wake of a deadly high school shooting in Texas.

Asked during a question-and-answer period with reporters at the executive mansion Tuesday whether the Santa Fe High School shooting has motivated him to do more to increase school safety, Walker said no one should feel threatened at school.

He touted a bill he signed in March that provides school districts with $100 million in grants for security upgrades in their buildings. He said he hopes the state Department of Justice can get the money out quickly so schools can make improvements before fall classes begin.

MILWAUKEE - Prosecutors say a 21-year-old Milwaukee man beat a 15-year-old boy with a hammer, stabbed him in the neck and burned his body over a stolen video game system.

Police arrested Malik Terrell in Chicago on Monday after discovering the burnt remains of Dennis King in an abandoned Milwaukee house Sunday. King's family reported him missing since May 11.

Prosecutors say Terrell and his two younger siblings thought a friend of King's stole their video game system, so Terrell brought King to their house to question him. Investigators say Terrell and one of his siblings started beating King before Terrell attacked him with a hammer and stabbed him in the neck.

MADISON - The U.S. Department of Justice is threatening to sue Wisconsin over its restrictions on overseas voters.

The Wisconsin Elections Commission released a letter Tuesday that it received from the DOJ on May 9. The letter warned the agency is preparing to sue because Wisconsin law doesn't allow temporary overseas voters to obtain ballots electronically or to file unofficial ballots. Under federal law, all voters overseas are entitled to both options regardless of the length of their stays abroad.

The DOJ wants the state to sign an agreement with the agency that it will provide the options. The elections commission plans to discuss the letter during a meeting Thursday.

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